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            <i class="icon icon-pricetags-outline"></i> 触摸
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        <h2 class="post-title">MPR121资料收集</h2>
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        <p>那时候microblocks还不支持ESP32的触摸引脚，我想使用microblocks结合触摸做触摸钢琴的项目。一开始想的是使用多个单路的TTP223，后来拓展搜索发现TTP系列也有多路的芯片但是价格不理想也没有合适库，也搜到了其他类似的芯片但是觉得都不合适。后来在浏览microblocks的库时发现了mpr121这个芯片，于是淘宝买了一个模块用于测试，测试后发现有bug。</p>

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        <span><i class="icon icon-calendar-outline"></i> 2023-12-05</span>
        
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                mpr121
                
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                ttp223
                
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                ESP32
                
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                触摸
                
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